<p>With some attributes:</p>

<div id="test">
    foo
</div>

<div id="test"
     class="nono">
    foo
</div>

<p>Hr's:</p>

<hr class="foo"
    id="bar" >

<p>Details and Summary:</p>

<details>
  <summary>Some details</summary>
  <p>More info about the details.</p>
</details>

<p>Regression:</p>

<pre>
#test
</pre>

<p>Hello</p>
<p>Michael</p>
<p>E.</p>